EFFECTIVE & COMFORTABLE: These swim nose clip are Ergonomic tailoring design can fit your contour of nose bridge to makes it more elastic, soft and can effectively prevent water from entering your nose, protect your nose from infection by the in the water. comfortable to wear, waterproof and not easy to fall from your nose while you swim. The nose clip for free diving is made of aluminum , which is anti-corrosion. Lightweight, functional, safe and adjustable fastening, indestructible, oxidation resistant, with a modern and ergonomic design. With a nose clip, you 't have to pinch your nose with your hands, and it keeps your shoulders relaxed.easy to find a , calmly practice ear pressure balance skills.pressure builds up quickly as a of a fast dive, so a free diver's ear pressure equilibrium rate needs to be faster. and high quality. Easy to install and durable in use. When diving or swimming freely, pinching your nose with your hands to balance your ear pressure will strain some muscles of your body and consume extra oxygen, which is not conducive to streamlining your body. With a nose clip, you can free your hands to keep your shoulders relaxed, find your , and practice your ear pressure balance skills. Because of the rapid diving, the pressure increases , so the diver's ear pressure balance speed needs to be faster. Colour:Gold :aluminum Package Contents: 1 x nasal truss Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.